Compare 142 vs 147
| Property | 142 | 147 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 3 |
| Prime factorization | 21 × 711 | 31 × 72 |
| Prime factorization | 2 × 71 | 3 × 7 × 7 |
| Divisors count | 4 | 6 |
| Divisors | 1, 2, 71, 142 | 1, 3, 7, 21, 49, 147 |
| Number of properties | 1 | 0 |
| Semiprimes | 47th | |
| Roman numberals | CXLII | CXLVII |
| Base 2 | 100011102 | 100100112 |
| Base 3 | 120213 | 121103 |
| Base 4 | 20324 | 21034 |
| Base 5 | 10325 | 10425 |
| Base 6 | 3546 | 4036 |
| Base 7 | 2627 | 3007 |
| Base 8 | 2168 | 2238 |
| Base 9 | 1679 | 1739 |
| Base 10 | 14210 | 14710 |
| Base 11 | 11a11 | 12411 |
| Base 12 | ba12 | 10312 |
| Base 13 | ac13 | b413 |
| Base 14 | a214 | a714 |
| Base 15 | 9715 | 9c15 |
| Base 16 | 8e16 | 9316 |